1996•Journal of the Indian Society of Soil ScienceOpen access

Relative Agronomic Efficiency of Udaipur Rock Phosphate on an Acid Inceptisol

D. J. Rajkhowa, S. R. Baroova

Abstract

Relative efficiency of Udaipur rock phosphate (URP), superphosphate, (SP) and their mixture in 1: 1 proportion was studied on an acid Inceptisol, at Jorhat. Mixture of superphosphate and Udaipur rock phosphate in 1: 1 ratio recorded the highest grain yield, P uptake, P recovery and available P in soil and was at par with superphosphate. Irrespective of sources, rice responded up to 38.7 kg P ha−1.

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Key concepts: Inceptisol, Veterinary medicine, Non-invasive ventilation, Phosphate, Phosphorite, Grain yield, Yield (engineering), Mathematics